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[Qt Quick] Very Hot New Stuff

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Development
KDE

K', Hot off the presses, here's some New Stuff for you, with the Quickness! ...terribly sorry about that, i shall endeavour to do better. Let's try that again.

As of KDE Frameworks 5.63, released on 2019/10/12, we officially introduce the fruits of my labour over the last few months, the shiny, new Qt Quick components, which were created to bring the Qt Quick submodule of KNewStuff up to par with the old QWidget based UX. Not only that, they also bring with them some shiny, new abilities in KNewStuff, which previously did not have any concept of comments outside of the very basic information of how many a content item had (which, incidentally, was also incorrect, and had been since, well... since that code was written about a decade ago - guess nobody noticed, because the information is a bit useless on its own).

[...]

Also don't hesitate to mention, when you discover it, the various holes in the documentation that undoubtedly are there, so that we might get those fixed. Even better yet, we are very happy to take patches over on Phabricator, both code and documentation ones. One thing that i know is missing is a porting guide, to help people transition from the old QWidgets based stuff to the Qt Quick components for people who have got applications they're looking to port or are already porting.

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